From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CD80C433E9 for ; Wed, 20 Jan 2021 17:42:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFA22233F9 for ; Wed, 20 Jan 2021 17:42:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391467AbhATRlL (ORCPT ); Wed, 20 Jan 2021 12:41:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:38050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387402AbhATRiI (ORCPT ); Wed, 20 Jan 2021 12:38:08 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 116FC23122; Wed, 20 Jan 2021 17:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611164204; bh=DEWJsXFSV81jlOBYgr3LEPW3UawvblxwfW/J9Ed78ic=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VpQVclVXlxSy0Xj5C7hS2E1F4PoDjtit84Uz02J2rq+/QVqCfZtq7tyCx5+xqaGkx Q4U5Xz2/Dqs206JdOTX6hIowJzsptc1Xi564azFWvGsbVVlQf/Gst6qKY6OkzZL9Zq P9eqggQdSqPisehrzCZmupr2rY1pJqtK67kijhnTmBNcBtdEhPi2fScZPX3PYbh6PQ lVep4qzAp7FiRs+7aTJXmmsQgW4+sIwBsP0HqAlpYGaup7TYLg8knbq4/FZqtTb7ac qwfZ/sTOEaBhym7q5/L4qu0dcevjkjJUmH0BA1fURJRgVg8zoAhF4S23jkfLndhPiK HvHfwILoYBO4w== From: Will Deacon To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, Will Deacon , Catalin Marinas , Jan Kara , Minchan Kim , Andrew Morton , "Kirill A . Shutemov" , Linus Torvalds , Vinayak Menon , Hugh Dickins , Nick Desaulniers , kernel-team@android.com Subject: [PATCH v4 8/8] mm: Mark anonymous struct field of 'struct vm_fault' as 'const' Date: Wed, 20 Jan 2021 17:36:12 +0000 Message-Id: <20210120173612.20913-9-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210120173612.20913-1-will@kernel.org> References: <20210120173612.20913-1-will@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The fields of this struct are only ever read after being initialised, so mark it 'const' before somebody tries to modify it again. Cc: Kirill A. Shutemov Cc: Linus Torvalds Signed-off-by: Will Deacon --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index e0f056753bef..7ff3d9817d38 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -514,7 +514,7 @@ static inline bool fault_flag_allow_retry_first(unsigned int flags) * pgoff should be used in favour of virtual_address, if possible. */ struct vm_fault { - struct { + const struct { struct vm_area_struct *vma; /* Target VMA */ gfp_t gfp_mask; /* gfp mask to be used for allocations */ pgoff_t pgoff; /* Logical page offset based on vma */ -- 2.30.0.284.gd98b1dd5eaa7-goog